Today | Weather | Thursday, February 26, 2026

Weather in Flagstaff, Arizona

01:57 AM
Now
Cloudy Night
37° F
Feels Like 34°
Precipitation 0 %
Wind 7 mph
Humidity 79 %
Today
Cloudy Weather
Day 68°
Night 34°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 5

Flagstaff Weather Forecast Updated

Last updated on

Air Quality in Flagstaff

NOW
36 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.75 µg/m³
PM10 20.98 µg/m³
O3 0.023 ppm
NO2 4.5 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 0.92 µg/m³
NO 0 µg/m³
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide
NH3 – Ammonia
NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)
PM2.58.75 µg/m³
PM1020.98 µg/m³
O344.83 µg/m³
NO28.43 µg/m³
SO20.34 µg/m³
CO161.63 µg/m³
NH30.92 µg/m³
NO0 µg/m³